Properties

Label 384.2
Level 384
Weight 2
Dimension 1680
Nonzero newspaces 10
Newform subspaces 27
Sturm bound 16384
Trace bound 25

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Defining parameters

Level: \( N \) = \( 384 = 2^{7} \cdot 3 \)
Weight: \( k \) = \( 2 \)
Nonzero newspaces: \( 10 \)
Newform subspaces: \( 27 \)
Sturm bound: \(16384\)
Trace bound: \(25\)

Dimensions

The following table gives the dimensions of various subspaces of \(M_{2}(\Gamma_1(384))\).

Total New Old
Modular forms 4416 1776 2640
Cusp forms 3777 1680 2097
Eisenstein series 639 96 543

Trace form

\( 1680q - 12q^{3} - 32q^{4} - 16q^{6} - 24q^{7} - 20q^{9} + O(q^{10}) \) \( 1680q - 12q^{3} - 32q^{4} - 16q^{6} - 24q^{7} - 20q^{9} - 32q^{10} - 16q^{12} - 32q^{13} - 8q^{15} - 32q^{16} - 16q^{18} - 24q^{19} - 4q^{21} - 32q^{22} + 16q^{23} - 16q^{24} - 8q^{25} + 12q^{27} - 32q^{28} + 32q^{29} - 16q^{30} + 16q^{31} - 32q^{34} + 48q^{35} - 16q^{36} + 12q^{39} - 32q^{40} + 32q^{41} - 16q^{42} - 8q^{43} + 4q^{45} - 32q^{46} - 16q^{48} - 104q^{49} - 96q^{50} - 16q^{51} - 224q^{52} - 64q^{53} - 48q^{54} - 88q^{55} - 224q^{56} - 84q^{57} - 320q^{58} - 64q^{59} - 208q^{60} - 160q^{61} - 192q^{62} - 48q^{63} - 416q^{64} - 128q^{65} - 208q^{66} - 104q^{67} - 192q^{68} - 92q^{69} - 416q^{70} - 64q^{71} - 16q^{72} - 168q^{73} - 224q^{74} - 64q^{75} - 288q^{76} - 64q^{77} - 112q^{78} - 48q^{79} - 96q^{80} - 56q^{81} - 32q^{82} - 16q^{84} - 112q^{85} - 68q^{87} - 32q^{88} - 16q^{90} - 24q^{91} - 64q^{93} - 32q^{94} - 16q^{96} - 64q^{97} - 76q^{99} + O(q^{100}) \)

Decomposition of \(S_{2}^{\mathrm{new}}(\Gamma_1(384))\)

We only show spaces with even parity, since no modular forms exist when this condition is not satisfied. Within each space \( S_k^{\mathrm{new}}(N, \chi) \) we list the newforms together with their dimension.

Label \(\chi\) Newforms Dimension \(\chi\) degree
384.2.a \(\chi_{384}(1, \cdot)\) 384.2.a.a 1 1
384.2.a.b 1
384.2.a.c 1
384.2.a.d 1
384.2.a.e 1
384.2.a.f 1
384.2.a.g 1
384.2.a.h 1
384.2.c \(\chi_{384}(383, \cdot)\) 384.2.c.a 4 1
384.2.c.b 4
384.2.c.c 4
384.2.c.d 4
384.2.d \(\chi_{384}(193, \cdot)\) 384.2.d.a 2 1
384.2.d.b 2
384.2.d.c 4
384.2.f \(\chi_{384}(191, \cdot)\) 384.2.f.a 4 1
384.2.f.b 4
384.2.f.c 4
384.2.f.d 4
384.2.j \(\chi_{384}(97, \cdot)\) 384.2.j.a 8 2
384.2.j.b 8
384.2.k \(\chi_{384}(95, \cdot)\) 384.2.k.a 12 2
384.2.k.b 12
384.2.n \(\chi_{384}(49, \cdot)\) 384.2.n.a 32 4
384.2.o \(\chi_{384}(47, \cdot)\) 384.2.o.a 56 4
384.2.r \(\chi_{384}(25, \cdot)\) None 0 8
384.2.s \(\chi_{384}(23, \cdot)\) None 0 8
384.2.v \(\chi_{384}(13, \cdot)\) 384.2.v.a 512 16
384.2.w \(\chi_{384}(11, \cdot)\) 384.2.w.a 992 16

Decomposition of \(S_{2}^{\mathrm{old}}(\Gamma_1(384))\) into lower level spaces

\( S_{2}^{\mathrm{old}}(\Gamma_1(384)) \cong \) \(S_{2}^{\mathrm{new}}(\Gamma_1(16))\)\(^{\oplus 8}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_1(24))\)\(^{\oplus 5}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_1(32))\)\(^{\oplus 6}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_1(48))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_1(64))\)\(^{\oplus 4}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_1(96))\)\(^{\oplus 3}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_1(128))\)\(^{\oplus 2}\)\(\oplus\)\(S_{2}^{\mathrm{new}}(\Gamma_1(192))\)\(^{\oplus 2}\)